Mulgor Logo EQ at Arthurs Pass at 23:44:05 on 28-Feb-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.2
Depth: 4 km
Distance: 136 km
Estimated travel time of P waves: 24 s
Estimated travel time of S waves: 41 s

Travel times of P and S waves were derived from this website

Statistics of Signal at Port Levy
Sig. Height μm/s Sig. Period s % of Variance
Raw 2.28 0.350 100.0
T < 1 s 2.05 0.245 73.1
T > 1 s 1.21 2.5 26.7

Significant height and period are derived from a zero-crossing analysis of the wave signal after the arrival time of the p waves.
They are the averages of the highest third of the waves.